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[97.113.7.119]) by smtp.gmail.com with ESMTPSA id v18sm2911537pgl.87.2019.09.17.13.46.29 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 17 Sep 2019 13:46:30 -0700 (PDT) To: "Paul A. Clarke" , qemu-devel@nongnu.org References: <1568653344-16881-1-git-send-email-pc@us.ibm.com> From: Richard Henderson Openpgp: preference=signencrypt Message-ID: <77049b6d-92cd-014f-6151-fb8dc4b032c9@linaro.org> Date: Tue, 17 Sep 2019 13:46:28 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: <1568653344-16881-1-git-send-email-pc@us.ibm.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::643 Subject: Re: [Qemu-devel] [PATCH v2 2/2] ppc: Add support for 'mffsce' instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 9/16/19 1:02 PM, Paul A. Clarke wrote: > From: "Paul A. Clarke" > > ISA 3.0B added a set of Floating-Point Status and Control Register (FPSCR) > instructions: mffsce, mffscdrn, mffscdrni, mffscrn, mffscrni, mffsl. > This patch adds support for 'mffsce' instruction. > > 'mffsce' is identical to 'mffs', except that it also clears the exception > enable bits in the FPSCR. > > On CPUs without support for 'mffsce' (below ISA 3.0), the > instruction will execute identically to 'mffs'. > > Signed-off-by: Paul A. Clarke > --- > v2: no changes. > > target/ppc/translate/fp-impl.inc.c | 30 ++++++++++++++++++++++++++++++ > target/ppc/translate/fp-ops.inc.c | 2 ++ > 2 files changed, 32 insertions(+) Didn't I already give a Reviewed-by: Richard Henderson for this? r~